﻿/*! PhotoSwipe Default UI - 4.1.1 - 2015-12-24
* http://photoswipe.com
* Copyright (c) 2015 Dmitry Semenov; */
/**
*
* UI on top of main sliding area (caption, arrows, close button, etc.).
* Built just using public methods/properties of PhotoSwipe.
* 
*/
(function (root, factory) {
	if (typeof define === 'function' && define.amd) {
		define(factory);
	} else if (typeof exports === 'object') {
		module.exports = factory();
	} else {
		root.PhotoSwipeUI_Default = factory();
	}
})(this, function () {

	'use strict';



	var PhotoSwipeUI_Default =
	 function (pswp, framework) {

	 	var ui = this;
	 	var _overlayUIUpdated = false,
			_controlsVisible = true,
			_fullscrenAPI,
			_controls,
			_captionContainer,
			_fakeCaptionContainer,
			_indexIndicator,
			_shareButton,
			_shareModal,
			_shareModalHidden = true,
			_initalCloseOnScrollValue,
			_isIdle,
			_listen,

			_loadingIndicator,
			_loadingIndicatorHidden,
			_loadingIndicatorTimeout,

			_galleryHasOneSlide,

			_options,
			_defaultUIOptions = {
				barsSize: { top: 44, bottom: 'auto' },
				closeElClasses: ['item', 'caption', 'zoom-wrap', 'ui', 'top-bar'],
				timeToIdle: 4000,
				timeToIdleOutside: 1000,
				loadingIndicatorDelay: 1000, // 2s

				addCaptionHTMLFn: function (item, captionEl /*, isFake */) {
					if (!item.title) {
						captionEl.children[0].innerHTML = '';
						return false;
					}
					captionEl.children[0].innerHTML = item.title;
					return true;
				},

				closeEl: true,
				captionEl: true,
				fullscreenEl: true,
				zoomEl: true,
				shareEl: true,
				counterEl: true,
				arrowEl: true,
				preloaderEl: true,

				tapToClose: false,
				tapToToggleControls: true,

				clickToCloseNonZoomable: true,

				shareButtons: [
					{ id: 'facebook', label: 'Share on Facebook', url: 'https://www.facebook.com/sharer/sharer.php?u={{url}}' },
					{ id: 'twitter', label: 'Tweet', url: 'https://twitter.com/intent/tweet?text={{text}}&url={{url}}' },
					{
						id: 'pinterest', label: 'Pin it', url: 'http://www.pinterest.com/pin/create/button/' +
														   '?url={{url}}&media={{image_url}}&description={{text}}'
					},
					{ id: 'download', label: 'Download image', url: '{{raw_image_url}}', download: true }
				],
				getImageURLForShare: function ( /* shareButtonData */) {
					return pswp.currItem.src || '';
				},
				getPageURLForShare: function ( /* shareButtonData */) {
					return window.location.href;
				},
				getTextForShare: function ( /* shareButtonData */) {
					return pswp.currItem.title || '';
				},

				indexIndicatorSep: ' / ',
				fitControlsWidth: 1200

			},
			_blockControlsTap,
			_blockControlsTapTimeout;



	 	var _onControlsTap = function (e) {
	 		if (_blockControlsTap) {
	 			return true;
	 		}


	 		e = e || window.event;

	 		if (_options.timeToIdle && _options.mouseUsed && !_isIdle) {
	 			// reset idle timer
	 			_onIdleMouseMove();
	 		}


	 		var target = e.target || e.srcElement,
				uiElement,
				clickedClass = target.getAttribute('class') || '',
				found;

	 		for (var i = 0; i < _uiElements.length; i++) {
	 			uiElement = _uiElements[i];
	 			if (uiElement.onTap && clickedClass.indexOf('pswp__' + uiElement.name) > -1) {
	 				uiElement.onTap();
	 				found = true;

	 			}
	 		}

	 		if (found) {
	 			if (e.stopPropagation) {
	 				e.stopPropagation();
	 			}
	 			_blockControlsTap = true;

	 			// Some versions of Android don't prevent ghost click event 
	 			// when preventDefault() was called on touchstart and/or touchend.
	 			// 
	 			// This happens on v4.3, 4.2, 4.1, 
	 			// older versions strangely work correctly, 
	 			// but just in case we add delay on all of them)	
	 			var tapDelay = framework.features.isOldAndroid ? 600 : 30;
	 			_blockControlsTapTimeout = setTimeout(function () {
	 				_blockControlsTap = false;
	 			}, tapDelay);
	 		}

	 	},
			_fitControlsInViewport = function () {
				return !pswp.likelyTouchDevice || _options.mouseUsed || screen.width > _options.fitControlsWidth;
			},
			_togglePswpClass = function (el, cName, add) {
				framework[(add ? 'add' : 'remove') + 'Class'](el, 'pswp__' + cName);
			},

			// add class when there is just one item in the gallery
			// (by default it hides left/right arrows and 1ofX counter)
			_countNumItems = function () {
				var hasOneSlide = (_options.getNumItemsFn() === 1);

				if (hasOneSlide !== _galleryHasOneSlide) {
					_togglePswpClass(_controls, 'ui--one-slide', hasOneSlide);
					_galleryHasOneSlide = hasOneSlide;
				}
			},
			_toggleShareModalClass = function () {
				_togglePswpClass(_shareModal, 'share-modal--hidden', _shareModalHidden);
			},
			_toggleShareModal = function () {

				_shareModalHidden = !_shareModalHidden;


				if (!_shareModalHidden) {
					_toggleShareModalClass();
					setTimeout(function () {
						if (!_shareModalHidden) {
							framework.addClass(_shareModal, 'pswp__share-modal--fade-in');
						}
					}, 30);
				} else {
					framework.removeClass(_shareModal, 'pswp__share-modal--fade-in');
					setTimeout(function () {
						if (_shareModalHidden) {
							_toggleShareModalClass();
						}
					}, 300);
				}

				if (!_shareModalHidden) {
					_updateShareURLs();
				}
				return false;
			},

			_openWindowPopup = function (e) {
				e = e || window.event;
				var target = e.target || e.srcElement;

				pswp.shout('shareLinkClick', e, target);

				if (!target.href) {
					return false;
				}

				if (target.hasAttribute('download')) {
					return true;
				}

				window.open(target.href, 'pswp_share', 'scrollbars=yes,resizable=yes,toolbar=no,' +
											'location=yes,width=550,height=420,top=100,left=' +
											(window.screen ? Math.round(screen.width / 2 - 275) : 100));

				if (!_shareModalHidden) {
					_toggleShareModal();
				}

				return false;
			},
			_updateShareURLs = function () {
				var shareButtonOut = '',
					shareButtonData,
					shareURL,
					image_url,
					page_url,
					share_text;

				for (var i = 0; i < _options.shareButtons.length; i++) {
					shareButtonData = _options.shareButtons[i];

					image_url = _options.getImageURLForShare(shareButtonData);
					page_url = _options.getPageURLForShare(shareButtonData);
					share_text = _options.getTextForShare(shareButtonData);

					shareURL = shareButtonData.url.replace('{{url}}', encodeURIComponent(page_url))
										.replace('{{image_url}}', encodeURIComponent(image_url))
										.replace('{{raw_image_url}}', image_url)
										.replace('{{text}}', encodeURIComponent(share_text));

					shareButtonOut += '<a href="' + shareURL + '" target="_blank" ' +
										'class="pswp__share--' + shareButtonData.id + '"' +
										(shareButtonData.download ? 'download' : '') + '>' +
										shareButtonData.label + '</a>';

					if (_options.parseShareButtonOut) {
						shareButtonOut = _options.parseShareButtonOut(shareButtonData, shareButtonOut);
					}
				}
				_shareModal.children[0].innerHTML = shareButtonOut;
				_shareModal.children[0].onclick = _openWindowPopup;

			},
			_hasCloseClass = function (target) {
				for (var i = 0; i < _options.closeElClasses.length; i++) {
					if (framework.hasClass(target, 'pswp__' + _options.closeElClasses[i])) {
						return true;
					}
				}
			},
			_idleInterval,
			_idleTimer,
			_idleIncrement = 0,
			_onIdleMouseMove = function () {
				clearTimeout(_idleTimer);
				_idleIncrement = 0;
				if (_isIdle) {
					ui.setIdle(false);
				}
			},
			_onMouseLeaveWindow = function (e) {
				e = e ? e : window.event;
				var from = e.relatedTarget || e.toElement;
				if (!from || from.nodeName === 'HTML') {
					clearTimeout(_idleTimer);
					_idleTimer = setTimeout(function () {
						ui.setIdle(true);
					}, _options.timeToIdleOutside);
				}
			},
			_setupFullscreenAPI = function () {
				if (_options.fullscreenEl && !framework.features.isOldAndroid) {
					if (!_fullscrenAPI) {
						_fullscrenAPI = ui.getFullscreenAPI();
					}
					if (_fullscrenAPI) {
						framework.bind(document, _fullscrenAPI.eventK, ui.updateFullscreen);
						ui.updateFullscreen();
						framework.addClass(pswp.template, 'pswp--supports-fs');
					} else {
						framework.removeClass(pswp.template, 'pswp--supports-fs');
					}
				}
			},
			_setupLoadingIndicator = function () {
				// Setup loading indicator
				if (_options.preloaderEl) {

					_toggleLoadingIndicator(true);

					_listen('beforeChange', function () {

						clearTimeout(_loadingIndicatorTimeout);

						// display loading indicator with delay
						_loadingIndicatorTimeout = setTimeout(function () {

							if (pswp.currItem && pswp.currItem.loading) {

								if (!pswp.allowProgressiveImg() || (pswp.currItem.img && !pswp.currItem.img.naturalWidth)) {
									// show preloader if progressive loading is not enabled, 
									// or image width is not defined yet (because of slow connection)
									_toggleLoadingIndicator(false);
									// items-controller.js function allowProgressiveImg
								}

							} else {
								_toggleLoadingIndicator(true); // hide preloader
							}

						}, _options.loadingIndicatorDelay);

					});
					_listen('imageLoadComplete', function (index, item) {
						if (pswp.currItem === item) {
							_toggleLoadingIndicator(true);
						}
					});

				}
			},
			_toggleLoadingIndicator = function (hide) {
				if (_loadingIndicatorHidden !== hide) {
					_togglePswpClass(_loadingIndicator, 'preloader--active', !hide);
					_loadingIndicatorHidden = hide;
				}
			},
			_applyNavBarGaps = function (item) {
				var gap = item.vGap;

				if (_fitControlsInViewport()) {

					var bars = _options.barsSize;
					if (_options.captionEl && bars.bottom === 'auto') {
						if (!_fakeCaptionContainer) {
							_fakeCaptionContainer = framework.createEl('pswp__caption pswp__caption--fake');
							_fakeCaptionContainer.appendChild(framework.createEl('pswp__caption__center'));
							_controls.insertBefore(_fakeCaptionContainer, _captionContainer);
							framework.addClass(_controls, 'pswp__ui--fit');
						}
						if (_options.addCaptionHTMLFn(item, _fakeCaptionContainer, true)) {

							var captionSize = _fakeCaptionContainer.clientHeight;
							gap.bottom = parseInt(captionSize, 10) || 44;
						} else {
							gap.bottom = bars.top; // if no caption, set size of bottom gap to size of top
						}
					} else {
						gap.bottom = bars.bottom === 'auto' ? 0 : bars.bottom;
					}

					// height of top bar is static, no need to calculate it
					gap.top = bars.top;
				} else {
					gap.top = gap.bottom = 0;
				}
			},
			_setupIdle = function () {
				// Hide controls when mouse is used
				if (_options.timeToIdle) {
					_listen('mouseUsed', function () {

						framework.bind(document, 'mousemove', _onIdleMouseMove);
						framework.bind(document, 'mouseout', _onMouseLeaveWindow);

						_idleInterval = setInterval(function () {
							_idleIncrement++;
							if (_idleIncrement === 2) {
								ui.setIdle(true);
							}
						}, _options.timeToIdle / 2);
					});
				}
			},
			_setupHidingControlsDuringGestures = function () {

				// Hide controls on vertical drag
				_listen('onVerticalDrag', function (now) {
					if (_controlsVisible && now < 0.95) {
						ui.hideControls();
					} else if (!_controlsVisible && now >= 0.95) {
						ui.showControls();
					}
				});

				// Hide controls when pinching to close
				var pinchControlsHidden;
				_listen('onPinchClose', function (now) {
					if (_controlsVisible && now < 0.9) {
						ui.hideControls();
						pinchControlsHidden = true;
					} else if (pinchControlsHidden && !_controlsVisible && now > 0.9) {
						ui.showControls();
					}
				});

				_listen('zoomGestureEnded', function () {
					pinchControlsHidden = false;
					if (pinchControlsHidden && !_controlsVisible) {
						ui.showControls();
					}
				});

			};



	 	var _uiElements = [
			{
				name: 'caption',
				option: 'captionEl',
				onInit: function (el) {
					_captionContainer = el;
				}
			},
			{
				name: 'share-modal',
				option: 'shareEl',
				onInit: function (el) {
					_shareModal = el;
				},
				onTap: function () {
					_toggleShareModal();
				}
			},
			{
				name: 'button--share',
				option: 'shareEl',
				onInit: function (el) {
					_shareButton = el;
				},
				onTap: function () {
					_toggleShareModal();
				}
			},
			{
				name: 'button--zoom',
				option: 'zoomEl',
				onTap: pswp.toggleDesktopZoom
			},
			{
				name: 'counter',
				option: 'counterEl',
				onInit: function (el) {
					_indexIndicator = el;
				}
			},
			{
				name: 'button--close',
				option: 'closeEl',
				onTap: pswp.close
			},
			{
				name: 'button--arrow--left',
				option: 'arrowEl',
				onTap: pswp.prev
			},
			{
				name: 'button--arrow--right',
				option: 'arrowEl',
				onTap: pswp.next
			},
			{
				name: 'button--fs',
				option: 'fullscreenEl',
				onTap: function () {
					if (_fullscrenAPI.isFullscreen()) {
						_fullscrenAPI.exit();
					} else {
						_fullscrenAPI.enter();
					}
				}
			},
			{
				name: 'preloader',
				option: 'preloaderEl',
				onInit: function (el) {
					_loadingIndicator = el;
				}
			}

	 	];

	 	var _setupUIElements = function () {
	 		var item,
				classAttr,
				uiElement;

	 		var loopThroughChildElements = function (sChildren) {
	 			if (!sChildren) {
	 				return;
	 			}

	 			var l = sChildren.length;
	 			for (var i = 0; i < l; i++) {
	 				item = sChildren[i];
	 				classAttr = item.className;

	 				for (var a = 0; a < _uiElements.length; a++) {
	 					uiElement = _uiElements[a];

	 					if (classAttr.indexOf('pswp__' + uiElement.name) > -1) {

	 						if (_options[uiElement.option]) { // if element is not disabled from options

	 							framework.removeClass(item, 'pswp__element--disabled');
	 							if (uiElement.onInit) {
	 								uiElement.onInit(item);
	 							}

	 							//item.style.display = 'block';
	 						} else {
	 							framework.addClass(item, 'pswp__element--disabled');
	 							//item.style.display = 'none';
	 						}
	 					}
	 				}
	 			}
	 		};
	 		loopThroughChildElements(_controls.children);

	 		var topBar = framework.getChildByClass(_controls, 'pswp__top-bar');
	 		if (topBar) {
	 			loopThroughChildElements(topBar.children);
	 		}
	 	};




	 	ui.init = function () {

	 		// extend options
	 		framework.extend(pswp.options, _defaultUIOptions, true);

	 		// create local link for fast access
	 		_options = pswp.options;

	 		// find pswp__ui element
	 		_controls = framework.getChildByClass(pswp.scrollWrap, 'pswp__ui');

	 		// create local link
	 		_listen = pswp.listen;


	 		_setupHidingControlsDuringGestures();

	 		// update controls when slides change
	 		_listen('beforeChange', ui.update);

	 		// toggle zoom on double-tap
	 		_listen('doubleTap', function (point) {
	 			var initialZoomLevel = pswp.currItem.initialZoomLevel;
	 			if (pswp.getZoomLevel() !== initialZoomLevel) {
	 				pswp.zoomTo(initialZoomLevel, point, 333);
	 			} else {
	 				pswp.zoomTo(_options.getDoubleTapZoom(false, pswp.currItem), point, 333);
	 			}
	 		});

	 		// Allow text selection in caption
	 		_listen('preventDragEvent', function (e, isDown, preventObj) {
	 			var t = e.target || e.srcElement;
	 			if (
					t &&
					t.getAttribute('class') && e.type.indexOf('mouse') > -1 &&
					(t.getAttribute('class').indexOf('__caption') > 0 || (/(SMALL|STRONG|EM)/i).test(t.tagName))
				) {
	 				preventObj.prevent = false;
	 			}
	 		});

	 		// bind events for UI
	 		_listen('bindEvents', function () {
	 			framework.bind(_controls, 'pswpTap click', _onControlsTap);
	 			framework.bind(pswp.scrollWrap, 'pswpTap', ui.onGlobalTap);

	 			if (!pswp.likelyTouchDevice) {
	 				framework.bind(pswp.scrollWrap, 'mouseover', ui.onMouseOver);
	 			}
	 		});

	 		// unbind events for UI
	 		_listen('unbindEvents', function () {
	 			if (!_shareModalHidden) {
	 				_toggleShareModal();
	 			}

	 			if (_idleInterval) {
	 				clearInterval(_idleInterval);
	 			}
	 			framework.unbind(document, 'mouseout', _onMouseLeaveWindow);
	 			framework.unbind(document, 'mousemove', _onIdleMouseMove);
	 			framework.unbind(_controls, 'pswpTap click', _onControlsTap);
	 			framework.unbind(pswp.scrollWrap, 'pswpTap', ui.onGlobalTap);
	 			framework.unbind(pswp.scrollWrap, 'mouseover', ui.onMouseOver);

	 			if (_fullscrenAPI) {
	 				framework.unbind(document, _fullscrenAPI.eventK, ui.updateFullscreen);
	 				if (_fullscrenAPI.isFullscreen()) {
	 					_options.hideAnimationDuration = 0;
	 					_fullscrenAPI.exit();
	 				}
	 				_fullscrenAPI = null;
	 			}
	 		});


	 		// clean up things when gallery is destroyed
	 		_listen('destroy', function () {
	 			if (_options.captionEl) {
	 				if (_fakeCaptionContainer) {
	 					_controls.removeChild(_fakeCaptionContainer);
	 				}
	 				framework.removeClass(_captionContainer, 'pswp__caption--empty');
	 			}

	 			if (_shareModal) {
	 				_shareModal.children[0].onclick = null;
	 			}
	 			framework.removeClass(_controls, 'pswp__ui--over-close');
	 			framework.addClass(_controls, 'pswp__ui--hidden');
	 			ui.setIdle(false);
	 		});


	 		if (!_options.showAnimationDuration) {
	 			framework.removeClass(_controls, 'pswp__ui--hidden');
	 		}
	 		_listen('initialZoomIn', function () {
	 			if (_options.showAnimationDuration) {
	 				framework.removeClass(_controls, 'pswp__ui--hidden');
	 			}
	 		});
	 		_listen('initialZoomOut', function () {
	 			framework.addClass(_controls, 'pswp__ui--hidden');
	 		});

	 		_listen('parseVerticalMargin', _applyNavBarGaps);

	 		_setupUIElements();

	 		if (_options.shareEl && _shareButton && _shareModal) {
	 			_shareModalHidden = true;
	 		}

	 		_countNumItems();

	 		_setupIdle();

	 		_setupFullscreenAPI();

	 		_setupLoadingIndicator();
	 	};

	 	ui.setIdle = function (isIdle) {
	 		_isIdle = isIdle;
	 		_togglePswpClass(_controls, 'ui--idle', isIdle);
	 	};

	 	ui.update = function () {
	 		// Don't update UI if it's hidden
	 		if (_controlsVisible && pswp.currItem) {

	 			ui.updateIndexIndicator();

	 			if (_options.captionEl) {
	 				_options.addCaptionHTMLFn(pswp.currItem, _captionContainer);

	 				_togglePswpClass(_captionContainer, 'caption--empty', !pswp.currItem.title);
	 			}

	 			_overlayUIUpdated = true;

	 		} else {
	 			_overlayUIUpdated = false;
	 		}

	 		if (!_shareModalHidden) {
	 			_toggleShareModal();
	 		}

	 		_countNumItems();
	 	};

	 	ui.updateFullscreen = function (e) {

	 		if (e) {
	 			// some browsers change window scroll position during the fullscreen
	 			// so PhotoSwipe updates it just in case
	 			setTimeout(function () {
	 				pswp.setScrollOffset(0, framework.getScrollY());
	 			}, 50);
	 		}

	 		// toogle pswp--fs class on root element
	 		framework[(_fullscrenAPI.isFullscreen() ? 'add' : 'remove') + 'Class'](pswp.template, 'pswp--fs');
	 	};

	 	ui.updateIndexIndicator = function () {
	 		if (_options.counterEl) {
	 			_indexIndicator.innerHTML = (pswp.getCurrentIndex() + 1) +
											_options.indexIndicatorSep +
											_options.getNumItemsFn();
	 		}
	 	};

	 	ui.onGlobalTap = function (e) {
	 		e = e || window.event;
	 		var target = e.target || e.srcElement;

	 		if (_blockControlsTap) {
	 			return;
	 		}

	 		if (e.detail && e.detail.pointerType === 'mouse') {

	 			// close gallery if clicked outside of the image
	 			if (_hasCloseClass(target)) {
	 				pswp.close();
	 				return;
	 			}

	 			if (framework.hasClass(target, 'pswp__img')) {
	 				if (pswp.getZoomLevel() === 1 && pswp.getZoomLevel() <= pswp.currItem.fitRatio) {
	 					if (_options.clickToCloseNonZoomable) {
	 						pswp.close();
	 					}
	 				} else {
	 					pswp.toggleDesktopZoom(e.detail.releasePoint);
	 				}
	 			}

	 		} else {

	 			// tap anywhere (except buttons) to toggle visibility of controls
	 			if (_options.tapToToggleControls) {
	 				if (_controlsVisible) {
	 					ui.hideControls();
	 				} else {
	 					ui.showControls();
	 				}
	 			}

	 			// tap to close gallery
	 			if (_options.tapToClose && (framework.hasClass(target, 'pswp__img') || _hasCloseClass(target))) {
	 				pswp.close();
	 				return;
	 			}

	 		}
	 	};
	 	ui.onMouseOver = function (e) {
	 		e = e || window.event;
	 		var target = e.target || e.srcElement;

	 		// add class when mouse is over an element that should close the gallery
	 		_togglePswpClass(_controls, 'ui--over-close', _hasCloseClass(target));
	 	};

	 	ui.hideControls = function () {
	 		framework.addClass(_controls, 'pswp__ui--hidden');
	 		_controlsVisible = false;
	 	};

	 	ui.showControls = function () {
	 		_controlsVisible = true;
	 		if (!_overlayUIUpdated) {
	 			ui.update();
	 		}
	 		framework.removeClass(_controls, 'pswp__ui--hidden');
	 	};

	 	ui.supportsFullscreen = function () {
	 		var d = document;
	 		return !!(d.exitFullscreen || d.mozCancelFullScreen || d.webkitExitFullscreen || d.msExitFullscreen);
	 	};

	 	ui.getFullscreenAPI = function () {
	 		var dE = document.documentElement,
				api,
				tF = 'fullscreenchange';

	 		if (dE.requestFullscreen) {
	 			api = {
	 				enterK: 'requestFullscreen',
	 				exitK: 'exitFullscreen',
	 				elementK: 'fullscreenElement',
	 				eventK: tF
	 			};

	 		} else if (dE.mozRequestFullScreen) {
	 			api = {
	 				enterK: 'mozRequestFullScreen',
	 				exitK: 'mozCancelFullScreen',
	 				elementK: 'mozFullScreenElement',
	 				eventK: 'moz' + tF
	 			};



	 		} else if (dE.webkitRequestFullscreen) {
	 			api = {
	 				enterK: 'webkitRequestFullscreen',
	 				exitK: 'webkitExitFullscreen',
	 				elementK: 'webkitFullscreenElement',
	 				eventK: 'webkit' + tF
	 			};

	 		} else if (dE.msRequestFullscreen) {
	 			api = {
	 				enterK: 'msRequestFullscreen',
	 				exitK: 'msExitFullscreen',
	 				elementK: 'msFullscreenElement',
	 				eventK: 'MSFullscreenChange'
	 			};
	 		}

	 		if (api) {
	 			api.enter = function () {
	 				// disable close-on-scroll in fullscreen
	 				_initalCloseOnScrollValue = _options.closeOnScroll;
	 				_options.closeOnScroll = false;

	 				if (this.enterK === 'webkitRequestFullscreen') {
	 					pswp.template[this.enterK](Element.ALLOW_KEYBOARD_INPUT);
	 				} else {
	 					return pswp.template[this.enterK]();
	 				}
	 			};
	 			api.exit = function () {
	 				_options.closeOnScroll = _initalCloseOnScrollValue;

	 				return document[this.exitK]();

	 			};
	 			api.isFullscreen = function () { return document[this.elementK]; };
	 		}

	 		return api;
	 	};



	 };
	return PhotoSwipeUI_Default;


});